Remove PyPy 3.10 from test matrix to fix failing CI checks (#83)

## Summary

Remove PyPy 3.10 from the test matrix to fix failing CI checks.

## Problem

All 4 PyPy 3.10 jobs are failing on every build with:

```
error: the configured PyPy interpreter version (3.10) is lower than
PyO3's minimum supported version (3.11)
```

## Root Cause Analysis

This failure is caused by an **upstream dependency change**, not by any code change in this repository.

**The dependency chain:**
```
tox.ini → readme-renderer → nh3 → PyO3
```

1. Our `tox.ini` uses [`readme-renderer`](https://github.com/pypa/readme_renderer) for package metadata validation
2. `readme-renderer` requires [`nh3 >= 0.2.14`](https://github.com/pypa/readme_renderer/blob/main/pyproject.toml)
3. `nh3` has [no pre-built PyPy wheels](https://pypi.org/project/nh3/#files), so PyPy must build from source
4. Building from source compiles PyO3, which dropped PyPy 3.10 support in v0.27.0

**Timeline:**
| Date | Event |
|------|-------|
| Oct 21, 2025 | `nh3` updated PyO3 to 0.27.0 ([PR #102](messense/nh3#102)) |
| Oct 29, 2025 | [Last passing CI](https://github.com/AltimateAI/datapilot-cli/actions/runs/18909887249) on main |
| Oct 30, 2025 | `nh3` updated PyO3 to 0.27.1 ([PR #103](messense/nh3#103)) |
| Oct 30, 2025 | [First failing CI](https://github.com/AltimateAI/datapilot-cli/actions/runs/18955832290) on main |

**Upstream decisions:**
- [PyO3 v0.27.0](https://github.com/PyO3/pyo3/releases/tag/v0.27.0): *"Support for PyPy 3.9 and PyPy 3.10 (both no longer supported upstream) has been dropped."*
- [PyPy v7.3.19](https://doc.pypy.org/en/latest/release-v7.3.19.html): *"In the next release we will drop 3.10 and remove the 'beta' label."*
- [PyPy downloads](https://www.pypy.org/download.html) now only list PyPy 3.11 and 2.7 as current releases

## Solution

Remove PyPy 3.10 from both:
- ✅ `tox.ini` - envlist and basepython definitions
- ✅ `.github/workflows/github-actions.yml` - all 4 pypy310 jobs

## Removed Jobs

- `pypy310-pydantic28-cover`
- `pypy310-pydantic210-cover`
- `pypy310-pydantic28-nocov`
- `pypy310-pydantic210-nocov`

## Impact

- ✅ Fixes all failing CI builds
- ✅ PyPy 3.9 jobs continue to work and remain in the matrix
- ✅ All CPython versions (3.10, 3.11, 3.12) unaffected
- ✅ Aligns with upstream PyPy and PyO3 deprecation decisions

## Testing

CI will run on this PR to verify the fix works.

Author: jontsai

.github/workflows/github-actions.yml

@@ -91,30 +91,6 @@ jobs:
             python_arch: 'x64'
             tox_env: 'py312-pydantic210-nocov'
             os: 'ubuntu-latest'
-          - name: 'pypy310-pydantic28-cover'
-            python: 'pypy-3.10'
-            toxpython: 'pypy3.10'
-            python_arch: 'x64'
-            tox_env: 'pypy310-pydantic28-cover'
-            os: 'ubuntu-latest'
-          - name: 'pypy310-pydantic210-cover'
-            python: 'pypy-3.10'
-            toxpython: 'pypy3.10'
-            python_arch: 'x64'
-            tox_env: 'pypy310-pydantic210-cover'
-            os: 'ubuntu-latest'
-          - name: 'pypy310-pydantic28-nocov'
-            python: 'pypy-3.10'
-            toxpython: 'pypy3.10'
-            python_arch: 'x64'
-            tox_env: 'pypy310-pydantic28-nocov'
-            os: 'ubuntu-latest'
-          - name: 'pypy310-pydantic210-nocov'
-            python: 'pypy-3.10'
-            toxpython: 'pypy3.10'
-            python_arch: 'x64'
-            tox_env: 'pypy310-pydantic210-nocov'
-            os: 'ubuntu-latest'
     steps:
     - uses: actions/checkout@v4
       with:

MANIFEST.in

@@ -11,6 +11,7 @@ include .github/workflows/github-actions.yml
 include .pre-commit-config.yaml
 include .pre-commit-hooks.yaml
 include .readthedocs.yml
+include Makefile
 include pytest.ini
 include tox.ini
 

tests/test_vendor/test_catalog_v1.py

@@ -1,6 +1,4 @@
 """Tests for catalog v1 parser, specifically testing extra fields handling."""
-import pytest
-
 from vendor.dbt_artifacts_parser.parsers.catalog.catalog_v1 import Metadata
 
 

tox.ini

@@ -14,15 +14,14 @@ envlist =
     clean,
     check,
     docs,
-    {py39,py310,py311,py312,pypy39,pypy310}-{pydantic28,pydantic210}-{cover,nocov},
+    {py39,py310,py311,py312,pypy39}-{pydantic28,pydantic210}-{cover,nocov},
     report
 ignore_basepython_conflict = true
 
 [testenv]
 basepython =
     pypy38: {env:TOXPYTHON:pypy3.8}
     pypy39: {env:TOXPYTHON:pypy3.9}
-    pypy310: {env:TOXPYTHON:pypy3.10}
     py38: {env:TOXPYTHON:python3.8}
     py39: {env:TOXPYTHON:python3.9}
     py310: {env:TOXPYTHON:python3.10}